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The Dexes / Satellite Decay / 57886

CelestialObjectDex · Satellite Decay

YAOGAN-39 02A

57886 · 2026-04-03T16:01:25Z

Fixes
224
Observations
224
Altitude — track
224 measured points · 2026-04-032026-08-07
Mean motion — track
224 measured points · 2026-04-032026-08-07

The record

Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.

start_utc2026-04-03T16:01:25.740192+00:00
end_utc2026-08-07T04:44:34.153728+00:00
familycelestialdex
norad_id57,886
object_nameYAOGAN-39 02A
groupactive
eccentricity_median0.000
inclination_deg_median35.003
n_snaps224
span_days125.530
mean_motion_first15.232
mean_motion_last15.231
delta_mean_motion-0.001
altitude_first_km496.308
altitude_last_km496.545
decay_rate_rev_day20.000
altitude_decay_km_day-0.002
decay_notemean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth
first_utc2026-04-03T16:01:25.740192+00:00
last_utc2026-08-07T04:44:34.153728+00:00
last_fix_utc2026-08-07T04:44:34.153728+00:00
provisionalfalse
track[{"utc":"2026-04-03T16:01:25.740192+00:00","mean_motion":15.23162584,"altitude_km":496.308,"eccentricity":0.00033037,"inclination_deg":35.0028},{"utc":"2026-04-03T20:44:34.920384+00:00","mean_motion":
total_sensor_hits0

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/57886.json

YAOGAN-39 02A — Satellite Decay — TerraPulse